Download videos from lecturio. Read comments below

lecturio download.js

'use strict';

function copy(ele) {
    let temp = document.createElement('textarea');
    document.body.appendChild(temp);
    temp.value = ele.replace(/:/, '-');
    temp.select();
    document.execCommand('copy');
    temp.remove();
}

function downloadURI(uri, name) {
    window.open(uri, '_blank');
}

let url = document.getElementsByTagName("video")[0].src;

let title = document.getElementsByTagName("h5")[0];
let titleText = title.lastChild.wholeText;

let btn = document.createElement("button");
btn.innerHTML = "Download";
btn.onclick = ()=>{
    copy(titleText);
    downloadURI(url, titleText);
}

title.insertBefore(document.createElement('br'), title.childNodes[0]);
title.insertBefore(btn, title.childNodes[0]);

btn.click()

Go to Chrome developer tools->Sources->New Snippet. Give snippet any name, eg: test, then paste code. hit Ctrl+enter. Download button appears below video. Click it, Video opens in new tab. Hit Ctrl+S. Then give name by pressing Ctrl + V (Name was already copied to clipboard). and hit enter. Watch this video for more: https://www.youtube.com/watch?v=U4dSWJFIQ0A